Seed 1.6
General purposeVisionToolsByteDance Seed · Released December 2025
Seed 1.6 is a general-purpose model released by the ByteDance Seed team. It incorporates multimodal capabilities and adaptive deep thinking with a 256K context window.
It belongs to ByteDance Seed's line, where Turbo servings lead on speed, Code targets software engineering, and the Lite and Mini sizes cover high-volume work.
Facts and pricing
- Provider
- ByteDance Seed
- Context window
- 262K tokens
- Input price
- 3.0 credits / 1M tokens ($0.25 raw)
- Output price
- 24.0 credits / 1M tokens ($2.00 raw)
- Vision (image input)
- Yes
- Tool calling
- Yes
- Extended reasoning
- No
Credits are what Zeplik bills: 1 credit = $0.10, computed from the raw provider rate with a 1.20x margin. Raw prices shown per 1M tokens.
Try Seed 1.6 now
What Seed 1.6 is best for
- Balanced everyday work: writing, questions, brainstorming and summarization
- Long documents: the 262K-token window holds lengthy reports, contracts or papers whole
- Working with images: screenshots, charts, photos and scanned documents alongside text
- Tool use and agents: reliably calls functions, so it can search, run skills and drive workflows
Example prompts
Prompts that suit a general purpose model like Seed 1.6:
- Help me outline a talk about what I learned this year
- Compare these two paragraphs and tell me which is clearer and why
- Draft a polite reply declining this invitation
- Explain this concept with a concrete everyday analogy
ByteDance Seed family
| Model | Context | Input cr/M | Output cr/M | Released |
|---|---|---|---|---|
| Seed 2.1 Turbo | 262K | 6.0 | 30.0 | August 2026 |
| Seed-2.0-Code | 262K | 6.0 | 36.0 | August 2026 |
| Seed-2.0-Lite | 262K | 3.0 | 24.0 | March 2026 |
| Seed-2.0-Mini | 262K | 1.2 | 4.8 | February 2026 |
| Seed 1.6 Flash | 262K | 0.90 | 3.6 | December 2025 |
| Seed 1.6 | 262K | 3.0 | 24.0 | December 2025 |
Model comparisons
- Claude Opus 5.5 vs Claude Opus 5
- Claude Opus 5.5 vs GPT-6 Astra
- Claude Opus 5.5 vs GPT-6 Sol
- Claude Opus 5.5 vs Claude Sonnet 5
Frequently asked questions
- What is Seed 1.6?
- Seed 1.6 is an AI model by ByteDance Seed. Seed 1.6 is a general-purpose model released by the ByteDance Seed team. It incorporates multimodal capabilities and adaptive deep thinking with a 256K context window.
- How much does Seed 1.6 cost on Zeplik?
- Input tokens cost 3.0 credits per million and output tokens 24.0 credits per million (1 credit = $0.10; the raw provider rates are $0.25 and $2.00 per million). New accounts start with free credits.
- How long can a conversation with Seed 1.6 be?
- Seed 1.6 has a 262K-token context window (262,144 tokens), which covers the conversation plus any documents you attach.
- Does Seed 1.6 support images and tools?
- Seed 1.6 accepts image input and supports tool calling.
Related models
Seed 2.1 Turbo is a multimodal model from ByteDance Seed for coding and long-horizon agent workflows.
Seed 2.0 Code is a model from ByteDance Seed optimized for agentic coding.
Seed-2.0-mini targets latency-sensitive, high-concurrency, and cost-sensitive scenarios, emphasizing fast response and flexible inference deployment.
Seed 1.6 Flash is an ultra-fast multimodal deep thinking model by ByteDance Seed, supporting both text and visual understanding.
Ripple-65B-Preview by ricursiveAI, a 65B model with native tool calling, served in BF16.
More you can do with Seed 1.6
- 468 AI skillsReady-to-run expert methods for writing, data, code and more, each running on Seed 1.6 or any model you pick.
- 997 integrationsConnect Gmail, Slack, GitHub, Notion and hundreds more so the assistant can work in your apps.
- Simple pricingPlus, Pro and Max plans with a monthly credit allowance that works across every model.